JPS6032793U - dielectric heating device - Google Patents

Abstract

(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

Figure 1 is a block diagram showing the general configuration of an industrial dielectric heating device, Figure 2 is a diagram showing the electric field distribution of the rectangular waveguide heating section,
Fig. 3 shows the rectangular waveguide heating section and the passing state of the heated object, Figs. 4 and 5 show the conventional heating section, and Fig. 6 shows the conventional heating section with external heating. FIG. 7 is a perspective view showing an example of the heating section of the dielectric heating device according to this invention, and FIG. 8 is a perspective view showing an example of the heating section when this invention is applied to a traveling waveform. , FIG. 9 is a perspective view showing an example in which a part of the outer peripheral wall is used as an opening/closing lid. 11: microwave generator, 12: waveguide, 14: heating section, 14a: waveguide, 27: guide means, 28: peephole.

Claims (1)

[Scope of utility model registration request] In a dielectric heating device that supplies microwaves to the heating section of a waveguide and passes the object through the heating section to dielectrically heat the object, the rectangular waveguide is The heating part is formed by bending into a spiral shape of two or more steps substantially parallel to the axis, the heating part is excited in the T E 1o mode, and the magnetic field propagation surface is substantially parallel to the central axis of the spiral. , a dielectric heating device that is provided with a guide means for passing an object to be heated within the waveguide at approximately the center of the long side of the waveguide.